53023142421 has 12 divisors (see below), whose sum is σ = 76596423072. Its totient is φ = 35345327976.

The previous prime is 53023142407. The next prime is 53023142461. The reversal of 53023142421 is 12424132035.

53023142421 is a `hidden beast` number, since 5 + 3 + 0 + 231 + 4 + 2 + 421 = 666.

It is not a de Polignac number, because 53023142421 - 2³³ = 44433207829 is a prime.

It is a super-2 number, since 2×53023142421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023142401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186511 + ... + 375276.

It is an arithmetic number, because the mean of its divisors is an integer number (6383035256).

Almost surely, 2^53023142421 is an apocalyptic number.

It is an amenable number.

53023142421 is a deficient number, since it is larger than the sum of its proper divisors (23573280651).

53023142421 is a wasteful number, since it uses less digits than its factorization.

53023142421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572280 (or 572277 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 53023142421 its reverse (12424132035), we get a palindrome (65447274456).

The spelling of 53023142421 in words is "fifty-three billion, twenty-three million, one hundred forty-two thousand, four hundred twenty-one".